most studies have not found concrete of torture's efficacy and a 2006 report from the national defense intelligence college found that the scientific community has never established the interrogation methods are effective means of obtaining reliable intelligence. .in contrast to the movie's narrative, a senate report found no evidence that enhanced interrogations played a significant role in the year's long intelligence operation which led to the discovery and killing of bin laden. now, even beyond the sight over the road to ben laden, i think there's a larger issue here. america has never fully reckoned with torture. the public was initially shocked by disclosures about waterboarding and torture at the abu ghraib prison. but there have been no prosecutions, no truth commissions and no meaningful accountability. president obama did run on restoring the rule of law to the fight against terrorist and al qaeda. but when the huffington post sam stiep asked him about torture prosecution, he expressed little interest in prosecution alleged war crimes. >> if there are clear instances of wrong